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| -rw-r--r-- | winsup/doc/how-using.texinfo | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/winsup/doc/how-using.texinfo b/winsup/doc/how-using.texinfo index 3fbbc468a..87699f689 100644 --- a/winsup/doc/how-using.texinfo +++ b/winsup/doc/how-using.texinfo @@ -140,6 +140,38 @@ bash$ cd //MACHINE/Share bash$ mkdir -p path/to/new/dir @end example +@subsection Why doesn't my script work? + +There are two basic problems you might run into. One is the fact that +/bin/sh is really ash, and is missing some features you might expect in +/bin/sh. For example: + +@itemize bullet +@item No job control +@item No getopts +@item No functions exported +@end itemize + +Or it could be a permission problem, and Cygwin doesn't understand that +your script is executable. Because @samp{chmod} may not work (see FAQ +entry above), Cygwin must read the contents of files to determine if +they are executable. If your script does not start with + +@example + #! /bin/sh +@end example + +(or any path to a script interpreter, it does not have to be /bin/sh) +then Cygwin will not know it is an executable script. The common Bourne +shell idiom + +@example + : + # This is the 2nd line, assume processing by /bin/sh +@end example + +does not work. + @subsection Why don't cursor keys work under Win95/Win98? @strong{(Please note: This section has not yet been updated for the latest |